copy-db.sh

#!/bin/bash
# copy moodle database
set -x
set -e

if [ $1 ] ; then
    DBFROM=$1
fi

if [ $2 ]; then
    DBTO=$2
fi

# shrink tables
psql -ec "TRUNCATE mdl_log, mdl_backup_logs, mdl_tool_sync_preprocess_report, mdl_totara_sync_log;" $DBFROM
# drop connections
psql -ec "SELECT pg_terminate_backend(pg_stat_activity.pid) FROM pg_stat_activity WHERE pg_stat_activity.datname IN ('$DBFROM', '$DBTO') AND pid <> pg_backend_pid();" postgres

dropdb $DBTO
createdb -T $DBFROM -O $DTO $DBTO